The adaptor has a small lip on it to properly secure the duct to it as well as an air gap to optimize flow (CFM)

This helmet is NIOSH approved and meets OSHA standards for respiratory protection and noise limitations

QTW Product Line NOD MFR Model BWAY6011677QT Manufacturer National Oak Products UPC 793573471789 Brand National Oak Maximum Sale Quantity 1 Maximum Sale Day 7 Part Status A Capacity 56 qt Capacity (qt) 56 Type Gold Line

100' hose reels

Clutch mechanism: pivot engine mount or hydraulic

C.A. Technologies/C.A.T T100C-18-2263 TOMCAT 1.8 X 2263 2-69-cfm The adaptor has a smallShips factory direct shipping times can vary. Prop 65 Warning! This product can expose you to chemicals which are known to the State of California to cause cancer.